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Inter-turn short-circuit faults that occur inside stator coils are difficult to cope with compared to terminal short-circuit faults. A general analytical model for inter-turn short-circuit faults is developed that employs a novel T-type equivalent circuit. When this model is used to investigate the impact of inter-turn short-circuit faults in PM machines with fractional-slot concentrated windings...
This paper investigates fault-tolerant PM machine drive converter topologies that seek to minimize the number of switches while retaining as much of their original pre-fault performance capabilities as possible. Four six-phase drive topologies have been selected and compared with conventional half-bridge and full-bridge converters. All four topologies use fewer half-bridge phase-legs than the baseline...
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